How well does Brady B-344 adhere to stainless steel, powder coat, and plastic surfaces?

Brady B-344 uses a Specialty adhesive adhesive. For optimum bond strength, surfaces should be cleaned with an isopropyl alcohol (IPA) wipe and allowed to dwell for 24 hours prior to full chemical or mechanical stress.

Which thermal transfer ribbons and Brady printers are compatible with B-344?

The official manufacturer-recommended thermal transfer ribbon for Brady B-344 is Brady Series R4300, R6000 Halogen-Free, or R6200 resin ribbons. Using the recommended resin or hybrid ribbon ensures crisp edge definition, high-density 2D DataMatrix scanning, and compliance with abrasion rub standards. Compatible Brady printers include benchtop industrial systems (i3300, i5100, i7100, BBP33) as well as rugged portable field printers (M510, M610, and M710) depending on the SKU form factor.

How does Brady B-344 withstand industrial chemicals, solvents, and fuels?

Brady B-344 resists common industrial reagents including lubricating oils, water, mild acids, and aliphatic solvents.

Is Brady B-344 UL Recognized, CSA Accepted, or Halogen-Free?

Brady B-344 meets RoHS 2011/65/EU and REACH (SVHC) directives.

What surface preparation is required before installing Brady B-344?

To achieve maximum bond strength, ensure the bonding substrate is clean, dry, and free of machining oils, silicone mold release agents, or dust. Wipe the surface with a 50/50 Isopropyl Alcohol (IPA) and water solution using a lint-free wipe, allow to evaporate completely, and apply firm, uniform roller or thumb pressure across the entire label face.

Home B-Numbers DirectoryB-344

Brady B-344wire_heat_shrink_sleeve181 Orderable SKUs

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Brady B-344: B-344

Q: What are the primary industrial applications for Brady B-344 (B-344)?

Brady B-344 is a high-performance Irradiatedpolyolefinheatshrinktubing(3:1shrinkratio) designed specifically for rating plates, asset tags, and industrial equipment identification. It features a Specialty adhesive engineered for long-term industrial reliability in environments requiring -55°C to 135°C (-67°F to 275°F) performance.

Q: What is the continuous operating temperature range for Brady B-344?

Brady B-344 is rated for continuous service temperatures from -55°C to 135°C (-67°F to 275°F). In laboratory heat-aging tests, it maintains dimensional stability and barcode contrast across broad thermal cycles.

B-344 PermaSleeve® Markers are designed for wire identification and insulation purposes, suitable for harsh chemical environments.

Material Composition

Irradiatedpolyolefinheatshrinktubing(3:1shrinkratio)

Adhesive System

Non-Adhesive

Operating Temperature

-55°C to 135°C (-67°F to 275°F)

Total Thickness

—

Heat-Shrink Wire Sleeve

B-344 Application & Installation Blueprint

PermaSleeve® Heat-Shrink Wire Tubing • Physical application tolerances and surface engineering

Industrial Fit Certified

Installed in real-world industrial environment

3:1 Heat-Shrink Sleeve Recovery Procedure

1Slide the unrecovered tubular sleeve over the wire lead prior to connector crimping.

2Position sleeve at the desired marker distance from the terminal pin.

3Apply focused hot air at 250°F (120°C) with an industrial heat gun until polyolefin shrinks snugly around wire.

Engineering Tolerance: 3:1 Shrink Ratio recovers down to 33% of expanded diameter. Meets SAE-AS-81531 and MIL-STD-202.

Substrate Compatibility & Adhesion Matrix

Mil-Spec Aircraft Wire (M22759)

Engineered Fit (5/5)

Cross-Linked Polyethylene (XLPE)

Engineered Fit (5/5)

Kapton & Tefzel Wire Bundles

Engineered Fit (5/5)

Automotive Primary Wire

Engineered Fit (5/5)

Tested Environmental Survivability

SAE-AS-81531 Mil-Spec RubMIL-STD-202 Method 215KAviation Fuel & DieselHigh Vibration & Flexing

Recommended Field & Shop Tools:

Industrial Heat Gun with Reflector Nozzlei7100 / BBP72 Double-Sided PrinterM610 Portable Tool

Orderable Part Numbers, Packaging & Distributor SKUs

Official Brady SKUs, roll dimensions, package quantities, list pricing, Grainger part numbers, and printer compatibility for B-344.

Popular B-344 Formats

Standard industrial rolls and die-cut sizes with unit cost breakdown

#1 Popular Choice

Standard Part

BM-375-1-344

0.645 in H x 1 in W x 0.375 in Dia

Roll of 1000 Each

Roll / Pack Total:$1199.00 USD

Supported Hardware:

M610M710M611

Grainger

#2 Standard Format

Standard Part

3FR-187-2-WT-S-2

0.335 in H x 1 in W x 0.187 in Dia

Roll of 1000 Each

Roll / Pack Total:$561.99 USD

Supported Hardware:

BBP72i7100i7500+2

Grainger

#3 High Capacity

Standard Part

BM-187-1-344

0.335 in H x 1 in W x 0.187 in Dia

Roll of 1000 Each

Roll / Pack Total:$651.99 USD

Supported Hardware:

M610M710M611

Grainger

All 181 Orderable Part Numbers

Pricing: $89.99 – $3359.00 USD

Catalog SKU	Dimensions	Packaging / Qty	List Price & Unit Cost	Order MOQ	Compatible Printers
BM-375-1-344Popular UPC: 888434603277	0.645 in H x 1 in W x 0.375 in Dia	Roll of 1000 Each	$1199.00 USD	1 ROL Standard Order	M610M710+1
3FR-187-2-WT-S-2Popular UPC: 754473899622	0.335 in H x 1 in W x 0.187 in Dia	Roll of 1000 Each	$561.99 USD	1 ROL Standard Order	BBP72i7100+3
BM-187-1-344Popular UPC: 888434602911	0.335 in H x 1 in W x 0.187 in Dia	Roll of 1000 Each	$651.99 USD	1 ROL Standard Order	M610M710+1
M6-187-175-344-WTPopular UPC: 888434594568	0.335 in H x 1.75 in W x 0.187 in Dia	Roll of 100 Each	$131.99 USD	1 ROL Standard Order	M610M611+1
BM-187-175-344Popular UPC: 888434603017	0.335 in H x 1.75 in W x 0.187 in Dia	Roll of 1000 Each	$849.99 USD	1 ROL Standard Order	M610M710+1
B33D-750-2-344Popular UPC: 662820982265	1.25 in H x 2 in W x 0.75 in Dia	Roll of 250 Each	$576.99 USD	1 ROL Standard Order	BBP33i3300+2
3FR-500-2-WTPopular UPC: 662820917694	0.851 in H x 2 in W x 0.5 in Dia	Roll of 500 Each	$1039.00 USD	1 ROL Standard Order	BBP72i5100+5
3FR-750-2-WT UPC: 662820917915	1.25 in H x 2 in W x 0.75 in Dia	Roll of 250 Each	$595.99 USD	1 ROL Standard Order	BBP72i5100+5
3FR-250-2-WT-S UPC: 662820917366	0.439 in H x 2 in W x 0.25 in Dia	Roll of 500 Each	$736.99 USD	1 ROL Standard Order	BBP72i7100+3
M6-250-1-344-WTPopular UPC: 888434594582	0.439 in H x 1 in W x 0.25 in Dia	Roll of 100 Each	$118.99 USD	1 ROL Standard Order	M610M611+1
B33D-187-2-344 UPC: 662820981824	0.335 in H x 2 in W x 0.187 in Dia	Roll of 750 Each	$741.99 USD	1 ROL Standard Order	BBP33i3300+2
B33D-500-2-344 UPC: 662820982159	0.851 in H x 2 in W x 0.5 in Dia	Roll of 350 Each	$707.99 USD	1 ROL Standard Order	BBP33i3300+2
B33D-250-2-344 UPC: 662820981930	0.439 in H x 2 in W x 0.25 in Dia	Roll of 500 Each	$648.99 USD	1 ROL Standard Order	BBP33i3300+2
BM-250-1-344 UPC: 888434603130	0.444 in H x 1 in W x 0.25 in Dia	Roll of 1000 Each	$786.99 USD	1 ROL Standard Order	M610M710+1
BM-500-1-344 UPC: 888434603383	0.851 in H x 1 in W x 0.5 in Dia	Roll of 1000 Each	$1329.00 USD	1 ROL Standard Order	M610M710+1

Showing 1 to 15 of 181 parts

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Quality Assurance, Storage & Regulatory Compliance

Standardized engineering guidelines for warehouse storage, application temperature, and agency certifications.

Shelf Life & Warehouse Storage

Expected Shelf Life: 1 Year from receipt

Storage Temperature: Below 80°F (27°C)

Relative Humidity: ≤ 60% RH

Must be stored in original packaging in a climate-controlled warehouse.

Application vs Service Limits

Min Application Temp: 50°F (10°C)

Service Temp Range: -55°C to 135°C (-67°F to 275°F)

Full Cure / Dwell Time: 24 Hours (ASTM D1000)

Clean surface of oil/grease before bonding for maximum peel strength.

Agency Testing & File Directories

UL 969 / 2238: Non-approved variant

UL Directory

CSA C22.2: Not certified

CSA Directory

Environmental & Safety Standards

RoHS 3 Compliance:2011/65/EU (Pass 2015/863)

REACH Status:SVHC Free (<0.1% w/w)

CA Prop 65:Compliant Notice

Certificates of Conformance (CoC) available on order shipment.

ASTM Physical & Mechanical Properties

Standardized laboratory test data measured in accordance with ASTM D 1000, ASTM D 2979, and ASTM D 2671.

Physical Property	Test Method	Standard Test Units (US)	Metric Units (SI)

Thermal Transfer Ribbon Compatibility

Official Brady recommended ribbons engineered for maximum contrast, smear resistance, and UL certification compliance.

Recommended Thermal Transfer

Non-printable hardware, tag, or pre-printed material.

* Note: Testing print permanence with official Brady ribbons is required to maintain UL/CSA agency certification on printed labels.

Chemical & Solvent Resistance Matrix

Standardized dip and rub immersion test observations across industrial fuels, oils, solvents, and cleaners.

Tested per ASTM D 895 / Brady standard dip & rub immersion.

Chemical Reagent / Solvent	Substrate / Adhesive Effect	Thermal Ribbon Permanence
2 (RustVeto 377)	Tested	Tested
2 (Skydrol 500B-4)	Tested	Tested
2 (SuperAgitene)	Tested	Tested
1 (Formula409)	Tested	Tested
2 (Mil PRF83282)	Tested	Tested
RustVeto®377	Tested	Tested
Skydrol® 500B-4	Tested	Tested
SuperAgitene®	Tested	Tested

Environmental & Aging Durability Testing

Environmental Exposure Condition	Observation & Legibility Result
Service temperature	-55 to 135 °C

Verified Target Applications & Use Cases

Industrial rating plates, asset identification, and electrical component labeling.

Brady B-344 Frequently Asked Questions & Engineering Guide

Verified technical answers on physical adhesion, temperature thresholds, ribbon pairings, and replacement standards for B-344.

Brady B-344 is a high-performance Irradiatedpolyolefinheatshrinktubing(3:1shrinkratio) designed specifically for rating plates, asset tags, and industrial equipment identification. It features a Specialty adhesive engineered for long-term industrial reliability in environments requiring -55°C to 135°C (-67°F to 275°F) performance.

Brady B-344 is rated for continuous service temperatures from -55°C to 135°C (-67°F to 275°F). In laboratory heat-aging tests, it maintains dimensional stability and barcode contrast across broad thermal cycles.

Need Custom Engineering Validation for Brady B-344?

Calculate conductor sizing, check chemical resistance charts, or find matching thermal transfer ribbons.

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